{"schemaVersion":"jobsearcher.job.v1","id":"7d85cd4c7780805cbf04eb73","url":"https://jobsearcher.com/jobs/7d85cd4c7780805cbf04eb73","canonicalUrl":"https://jobsearcher.com/jobs/7d85cd4c7780805cbf04eb73","title":"Front-End Developer (React.JS & Three.js)","description":"Job Title: JavaScript Front-End DeveloperLocation: Hoboken, NJ (remote)Mandatory skill: React.JS (19), Three.jsJob Description:Front-end engineering (the foundation — non-negotiable):Deep, senior-level React (React 19 / modern React): the render model, hooks discipline, memoization, effect timing, and a real feel for where re-renders and stale closures come from — which matter acutely in an app running a physics loop every frame.Three.js and React Three Fiber in production. Real command of the scene graph, geometry and materials, the useFrame render loop, and disposal / memory management (WebGL leaks are a real hazard). This is the heart of the role and the skill we weight most heavily — React experience without R3F is not a substitute.Real-time performance discipline. You think in frame budgets, know what drives GPU vs CPU cost, can profile a render loop, and habitually design for the weakest target device.State management at scale with Zustand (or clearly transferable experience), keeping a growing state model coherent rather than tangled.Accessibility as a first-class skill — keyboard navigation, focus management, ARIA, WCAG AA, screen-reader testing. For an education product this is a core requirement and a procurement gate, not an afterthought.TypeScript, testing, and modern tooling — TypeScript fluency, Vite, a real testing discipline (we favor testing real behavior over mocks), and the judgment to set the quality bar for others.Responsibilities:• Build and own complex React Three Fiber features: interactive 3D equipment, a selection-driven action system, real-time visual effects, and the UI around them.• Keep the app fast on low-end hardware — profile and tune the render loop, manage GPU/CPU cost, and hold a frame budget on Chromebook-class devices.• Keep application state coherent as it grows (simulation state, equipment state, an event log used for assessment, and UI state) using Zustand.• Make accessibility real: full keyboard operation, focus management, ARIA, and screen-reader support are core requirements here, not polish.• Direct Claude Code effectively — decompose work into well-specified, agent-sized tasks, review the output with a senior eye, and know when to write something by hand instead.• Help maintain the conventions, CLAUDE.md guidance, and repo structure that keep AI-generated code consistent and safe.• Collaborate with our 3D technical artist to integrate assets and shaders cleanly.","company":"Nityo Infotech","rawCompany":"nityo infotech","city":"Oak Ridge","state":"NJ","isRemote":false,"isActive":false,"createdAt":"2026-11-14T08:23:06.641Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Front-End Developer (React.JS & Three.js)","description":"Job Title: JavaScript Front-End DeveloperLocation: Hoboken, NJ (remote)Mandatory skill: React.JS (19), Three.jsJob Description:Front-end engineering (the foundation — non-negotiable):Deep, senior-level React (React 19 / modern React): the render model, hooks discipline, memoization, effect timing, and a real feel for where re-renders and stale closures come from — which matter acutely in an app running a physics loop every frame.Three.js and React Three Fiber in production. Real command of the scene graph, geometry and materials, the useFrame render loop, and disposal / memory management (WebGL leaks are a real hazard). This is the heart of the role and the skill we weight most heavily — React experience without R3F is not a substitute.Real-time performance discipline. You think in frame budgets, know what drives GPU vs CPU cost, can profile a render loop, and habitually design for the weakest target device.State management at scale with Zustand (or clearly transferable experience), keeping a growing state model coherent rather than tangled.Accessibility as a first-class skill — keyboard navigation, focus management, ARIA, WCAG AA, screen-reader testing. For an education product this is a core requirement and a procurement gate, not an afterthought.TypeScript, testing, and modern tooling — TypeScript fluency, Vite, a real testing discipline (we favor testing real behavior over mocks), and the judgment to set the quality bar for others.Responsibilities:• Build and own complex React Three Fiber features: interactive 3D equipment, a selection-driven action system, real-time visual effects, and the UI around them.• Keep the app fast on low-end hardware — profile and tune the render loop, manage GPU/CPU cost, and hold a frame budget on Chromebook-class devices.• Keep application state coherent as it grows (simulation state, equipment state, an event log used for assessment, and UI state) using Zustand.• Make accessibility real: full keyboard operation, focus management, ARIA, and screen-reader support are core requirements here, not polish.• Direct Claude Code effectively — decompose work into well-specified, agent-sized tasks, review the output with a senior eye, and know when to write something by hand instead.• Help maintain the conventions, CLAUDE.md guidance, and repo structure that keep AI-generated code consistent and safe.• Collaborate with our 3D technical artist to integrate assets and shaders cleanly.","datePosted":"2026-11-14T08:23:06.641Z","dateModified":"2026-11-14T08:23:06.641Z","hiringOrganization":{"@type":"Organization","name":"Nityo Infotech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Oak Ridge","addressRegion":"NJ","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7d85cd4c7780805cbf04eb73"},"url":"https://jobsearcher.com/jobs/7d85cd4c7780805cbf04eb73"}}